Circuit Breakers

Circuit Breakers for Electrical Protection & Power Distribution

Industrial circuit breakers protect electrical systems from overloads, short circuits, and abnormal fault currents. Whenever unsafe electrical conditions appear, the device automatically disconnects the power supply. As a result, equipment damage is minimized, fire hazards are reduced, and personnel safety improves.

At UniGulfSupply, we supply dependable circuit breaker solutions for electrical contractors, panel builders, and maintenance teams across Oman & UAE. Because modern facilities depend on stable and continuous electricity, proper protection devices are essential for reliable operation.

These Industrial Circuit breakers are typically installed inside control panels, distribution boards, and switchgear assemblies. During a fault condition, the breaker isolates only the affected circuit, therefore allowing the remaining system to continue operating safely.

Available Circuit Breaker Types

Our portfolio includes a wide range of solutions to meet diverse industrial needs. For example, we offer:

• ACB (Air Circuit Breakers)
• ELCB (Earth Leakage Circuit Breakers)
• MCB (Miniature Circuit Breakers)
• MCCB (Moulded Case Circuit Breakers)
• MPCB (Motor Protection Circuit Breakers)
• RCBO (Residual Current Breaker with Overload)
• RCCB (Residual Current Circuit Breakers)

Additionally, this category includes related protection devices suitable for factories, buildings, utilities, and automation systems.

Why Circuit Breakers Are Important

Electrical faults may occur because of overload conditions, insulation failure, wiring damage, or equipment malfunction. Without proper protection, however, these issues can quickly escalate into equipment failure or serious safety risks.

Installing correctly rated circuit breakers helps you:

• protect cables and wiring systems
• prevent machine and motor damage
• reduce fire risk
• improve operator safety
• maintain system reliability
• meet electrical safety standards

Moreover, industrial operations rely heavily on uninterrupted power distribution. Therefore, reliable protective devices play a critical role in preventing downtime and production loss.

Typical Applications

Circuit breakers are widely used in:

• electrical distribution panels
• industrial control panels
• motor control centers
• commercial buildings
• factories and processing plants
• infrastructure and utility installations

They are especially important in facilities where equipment operates continuously or where load fluctuations frequently occur.

Selecting the Correct Circuit Breaker

Choosing the proper breaker depends on several technical factors, including current rating, breaking capacity, voltage rating, number of poles, and application type. In addition, coordination with upstream and downstream protective devices ensures stable system performance.

For example, miniature circuit breakers are commonly used for lighting and small power circuits. In contrast, moulded case circuit breakers protect higher-current feeders and larger machinery. Meanwhile, motor protection circuit breakers are specifically designed to safeguard electric motors against overload, short circuit, and phase failure.

Installation and Operation

A typical installation involves:

• mounting the breaker inside a panel or distribution board
• connecting line and load terminals
• verifying rated current and protection settings
• testing trip operation

Once properly installed, the breaker continuously monitors electrical current and disconnects the circuit whenever abnormal conditions are detected.

FAQs

What is the difference between MCB and MCCB?
An MCB protects low-current circuits such as lighting and sockets, whereas an MCCB protects higher-current feeders and industrial equipment.

Do circuit breakers replace fuses?
Yes. Circuit breakers provide reusable protection. Unlike fuses, they can be reset after a trip instead of being replaced.

Are RCCB and RCBO the same?
No. An RCCB protects against earth leakage only, while an RCBO provides both earth-leakage and overload/short-circuit protection.

Where are circuit breakers installed?
They are installed inside electrical panels, switchgear assemblies, and distribution boards in industrial and commercial installations.